Answer:
1. disease
As a result of its high death rate, the disease had a negative effect on the populace. the major killers include smallpox, measles, whooping cough, chicken pox, bubonic plague, typhus, and malaria.
2. horses
One of the earliest items exchanged in the Columbian market was horses. They had a significant impact on life in the Americas and were utilized for a number of purposes. Native Americans could travel with horses to collect food and other necessities. Additionally, horses improved military might.
3. Sugar plants
The Atlantic region's economy eventually developed around sugar. Its cost fell so low that many low-income Europeans could purchase it. As a result of its beneficial effects on the Columbian Exchange, sugar became a staple of European diets.
Explanation: